Chemistry Questions

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KaZuma_t3
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259231
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Chemistry Questions
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2014-01-30 03:25:07
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Chemistry
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  1. the number of protons in an atom of element #3 is
    A. 3
    B. 4
    C. 6
    D. 7
    e. none of the above
    A. 3
    (this multiple choice question has been scrambled)
  2. the number of electrons in an atom of the element #17 is
    A. 17
    B. 18
    C. 35
    D. 36
    e. none of the above
    A. 17
    (this multiple choice question has been scrambled)
  3. the number of protons in an ion of Ba+2 is
    a. 137
    b. 112
    c. 81
    d. 58
    e. none of the above
    e. none of the above
  4. the number of electrons in an ion of P-3 is
    A. 15
    B. 12
    C. 31
    D. 18
    e. none of the above
    D. 18
    (this multiple choice question has been scrambled)
  5. the charge on the most probable ion of element #38 is
    A. -1
    B. +1
    C. +2
    D. -2
    e. none of the above
    C. +2
    (this multiple choice question has been scrambled)
  6. the charge on the most probable ion of element #13 is
    a. +1
    b. +2
    c. -1
    d. -2
    e. none of the above
    e. none of the above
  7. the charge on the most probable ion of element #34 is
    A. -1
    B. +1
    C. +2
    D. -2
    e. none of the above
    D. -2
    (this multiple choice question has been scrambled)
  8. the number of electrons in the 3p sublevel of element #14 is
    A. 5
    B. 6
    C. 2
    D. 3
    E. 4
    C. 2
    (this multiple choice question has been scrambled)
  9. what element has the electron configuration 1s22s22p63s23p64s2
    a. calcium
    b. potassium
    c. scandium
    d. chlorine
    e. none of the above

    a. calcium
  10. what element has the electron configuration [Ne] 3s23p5
    a. calcium
    b. potassium
    c. scandium
    d. chlorine
    e. none of the above
    d. chlorine
  11. what ion would not have the electron configuration 1s22s22p6
    a. oxygen
    b. lithium
    c. sodium
    d. magnesium
    e. none of the above

    b. lithium
  12. what family does rubidium belong to 
    A. alkali metals
    B. halogens
    C. transition metals
    D. alkaline earth metals
    E. noble gases
    A. alkali metals
    (this multiple choice question has been scrambled)
  13. the correct name for the Cu+2 is
    A. copper (II) ion
    B. copper ion
    C. cuprus ion
    D. cupric ion
    E. copper 
    A. copper (II) ion
    (this multiple choice question has been scrambled)
  14. which of the following metals has only one type of positive charge
    A. chromium
    B. cadmium
    C. thallium
    D. tin
    E. cobalt
    B. cadmium
    (this multiple choice question has been scrambled)
  15. the correct formula for cesium chloride is
    A. CeCl
    B. CsCl2
    C. CeCl2
    D. CsCl
    E. CsClO3
    D. CsCl
    (this multiple choice question has been scrambled)
  16. the correct formula for tungsten (II) pohsphide is
    A. W3(PO4)2
    B. W3P2
    C. W2P3
    D. W2(PO4)2
    E. W3(PO4)2
    B. W3P2
    (this multiple choice question has been scrambled)
  17. the correct name for SnF4 using the Roman numeral system is
    A. tin (IV) fluoride
    B. stannous flouride
    C. tin (I) fluoride
    D. tin tetrafluoride
    E. stannic flouride
    A. tin (IV) fluoride
    (this multiple choice question has been scrambled)
  18. the correct name for FeO is
    A. ferric oxide
    B. iron oxide
    C. ferrous monoxide
    D. iron monoxide
    E. iron (II) oxide
    E. iron (II) oxide
    (this multiple choice question has been scrambled)
  19. the correct name for Al2S3 is
    a. aluminum (II) sulfide  
    b. aluminum (III) sulfide
    c. aluminic sulfide
    d. aluminous sulfide
    e. aluminum sulfide

    e. aluminum sulfide
  20. what is the formula for hydroiodic acid
    A. H2I2
    B. H2I
    C. HIO3
    D. HI2
    E. HI
    E. HI
    (this multiple choice question has been scrambled)
  21. the correct name for HClO is
    A. chlorous acid
    B. hydrochlorate acid
    C. hypochlorous acid
    D. chloric acid
    E. perchloric acid
    C. hypochlorous acid
    (this multiple choice question has been scrambled)
  22. a 8.0g piece of metal that has a length of 1.00cm, a height of 2.00 cm and a width of .50cm has a density of
    A. 10.0g/cm3
    B. 8000kg/m3
    C. .0080kg/m3
    D. 8g/m3
    B. 8000kg/m3
    (this multiple choice question has been scrambled)
  23. the volume of an object that has a mass of 25.0g and a density of 5.0g/cm3 is
    A. 10m3
    B. 5cm3
    C. 5.00cm3
    D. 5.0cm3
    D. 5.0cm3
    (this multiple choice question has been scrambled)
  24. an object has a desnity of 7.7g/cm3 and a volume of 16.0cm3, what is its mass
    A. 145g
    B. 135g
    C. 115g
    D. 120g
    D. 120g
    (this multiple choice question has been scrambled)
  25. what is the molarity of a solution which contains 3.1g of ethylene glycol (m.m. = 62.0g/mol) in 250.0 mL water
    A. .20M
    B. 50.0M
    C. .050M
    D. .50M
    A. .20M
    (this multiple choice question has been scrambled)
  26. the concentration of NO3- ions in a 2.0M solution of Al(NO3)3 is ___, assuming 100% dissociation
    6

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